/*
 * Copyright (C) 2007  Vianney le Clément
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package fsahoraires.util;

import java.io.*;
import java.net.URL;
import java.nio.charset.Charset;

public class Util {

	/**
	 * Charge une url et renvoie le contenu
	 * 
	 * @param url
	 * @return le contenu de l'url ou "" si erreur
	 */
	public static String loadUrl(URL url) throws IOException {
		InputStream stream = null;
		try {
			stream = url.openStream();
			return loadStream(stream);
		} finally {
			if (stream != null) {
				try {
					stream.close();
				} catch (IOException e) {
				}
			}
		}
	}

	/**
	 * Charge le contenu d'un stream dans un string
	 * 
	 * @param stream
	 * @return
	 * @throws IOException
	 */
	public static String loadStream(InputStream stream) throws IOException {
		Reader reader = new InputStreamReader(stream, Charset.forName("UTF-8"));
		char[] buffer = new char[1024];
		int count;
		StringBuilder str = new StringBuilder();
		while ((count = reader.read(buffer)) != -1)
			str.append(buffer, 0, count);
		return str.toString();
	}

}
